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题解 | 上三角矩阵判定-Java

import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in =...

2025-07-29

2 19

题解 | 约瑟夫环-Java

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); ...

2025-07-29

2 14

题解 | 单组_二维字符数组-Python

a,b = map(int, input().split()) arr = [] for i in range(a): arr.append(input()[::-1]) for j in arr[::-1]: print(j)

2025-05-16

2 50

题解 | 统计输入正数个数-Java

import java.util.*; public class Main { public static void main(String[] args) { int count = 0; Scanner scanner = new Scanner(Sys...

2025-05-13

2 51